html,body{height: 100%;background-color: #f2f2f2;}
.wrap {
	display:-webkit-box;
	-webkit-box-orient:vertical;
	height: 100%;
	text-align: center;
}

.main {
	position: relative;
	top:30%;
	margin: 0 auto;
	width: 280px;
}

.qr-wrap {
	position: absolute;
	background-color: #2196f3;
	-moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  border-radius: 50%;  
	width: 280px;
	height: 280px;
	box-shadow: 0 10px 20px rgba(0,0,0,.19),0 6px 6px rgba(0,0,0,.23);
	/*padding:5px 5px;*/
}

.qr {
	position: relative;
	background: url(../img/qr.png) no-repeat;
	width: 128px;
	height: 128px;
	margin: 76px auto;
	font-size: 0;
}